METHODS AND DEVICES FOR CONTROLLING MOTORIZED SURGICAL DEVICES

摘要

Methods and devices for controlling motorized surgical devices are provided. In general, the methods and devices can allow a surgical device to grasp and cut tissue. In some embodiments, the device can include at least one sensor and a motor, and an output of the motor can be configured to be adjusted based at least in part on an output from the at least one sensor. The output of the motor can be configured to provide power for translation of a cutting element along an end effector of the device. Adjusting the motor's output can cause the cutting element to translate through the end effector at different speeds, thereby allowing the cutting element to cut through tissue being grasped by the end effector at different speeds.

主权项

1. A surgical device, comprising:
an end effector including first and second jaws configured to engage tissue between facing engagement surfaces thereof; a sensor configured to sense an impedance of the tissue engaged between the facing engagement surfaces; a cutting element configured to cut the tissue engaged between the facing engagement surfaces; a motor configured to provide an output that causes the cutting element to translate through the end effector at a speed; and a controller configured to change an output of the motor based at least in part on the sensed tissue impedance, thereby controlling the speed of the cutting element translating through the end effector.